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In physics, an elastic collision is a collision process between two physical objects in which the total kinetic energy of the two bodies remains the same before and after the collision. In an ideal, perfectly elastic collision, there is no net conversion of kinetic energy into other forms of energy such as heat, sound, or potential energy.
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collision displaystyle momentum energy velocities bodies two kinetic elastic center mass begin end frac velocity collisions aligned case frame objects
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Elastic collision | is a | collision process between two physical objects in which the total kinetic energy of the two bodies remains the same before and after the collision | 0.90 | text |
| heat | instance of | there is no net conversion of kinetic energy into other forms of energy | 0.80 | text |
| sound | instance of | there is no net conversion of kinetic energy into other forms of energy | 0.80 | text |
| or potential energy.During the collision of small objects | instance of | there is no net conversion of kinetic energy into other forms of energy | 0.80 | text |
| kinetic energy is first converted to potential energy associated with a repulsive or attractive force between the particles | instance of | there is no net conversion of kinetic energy into other forms of energy | 0.80 | text |
| billiard balls.When considering energies | instance of | but approximated by the interactions of objects | 0.80 | text |
| possible rotational energy before or after a collision may also play a role | instance of | but approximated by the interactions of objects | 0.80 | text |
| Elastic collision | related to General references | Landau | 0.60 | section |
| Elastic collision | related to General references | Lifshitz | 0.60 | section |
| Elastic collision | related to General references | Mechanics | 0.60 | section |
| Elastic collision | related to General references | Pergamon Press | 0.60 | section |
| Elastic collision | related to General references | ISBN | 0.60 | section |
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